A viral video on social media shows Shanghai residents screaming from the windows of their apartment buildings after seven days of a strictly enforced COVID-19 lockdown of the city.  

The video shows the frustrated residents screaming out their windows as a drone appears to circle the area in an apparent attempt quiet the yelling and encourage compliance.

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Shanghai had over 26,000 new reported cases of COVID-19 on Sunday, according to reporting from Fortune. The outbreak is the largest in two years, spawning a complete lockdown of the city in line with China's "zero-COVID" policy. The policy aims to completely eradicate the virus with citywide lockdowns that force residents to stay inside their homes.

Residents line up for mass testing in a lockdown area in the Jingan district of western Shanghai, Monday, April 4, 2022. 

Residents line up for mass testing in a lockdown area in the Jingan district of western Shanghai, Monday, April 4, 2022.  (AP)

The week-long lockdown has caused food shortages for many residents of the city, with people forced to use delivery apps or rely on government deliveries. But delivery companies have had a difficult time keeping up with demand. The country’s largest e-commerce platform, Alibaba, announced that individual orders are delayed a week.

A worker in protective gear holds up a sign which reads "Do not crowd" as he directs a resident near a line for the first round of mass COVID testing in the Jingan district of western Shanghai, China.

A worker in protective gear holds up a sign which reads "Do not crowd" as he directs a resident near a line for the first round of mass COVID testing in the Jingan district of western Shanghai, China. (AP Photo/Chen Si)

"You can only buy through groups now, because [individual stores] just can’t deliver anymore," a Shanghai resident told Fortune.

The delay has caused residents to pool together and order deliveries in bulk, sharing food with their neighbors as they attempt to wait out the lockdown.

Director of Shanghai’s working group on epidemic control, Gu Honghui, called the COVID-19 situation in the city "extremely grim" last week, encouraging residents to closely follow government restrictions.

"Citizens are asked to continue following the current lockdown measures and stay in their homes except for medical and other emergency situations," Gu said.

But the majority of the cases recorded in the city have been asymptomatic, with the highly transmissible but less deadly omicron BA.2 variant mostly responsible for the outbreak. 

Chinese cities are going on lockdown in response to positive coronavirus tests, with one city aiming to test 14 million people over a 48 hour span. Residents of the port city of Tianjin, where 14 million people live, are advised to stay home until they are tested, BBC reported Monday. People will only be allowed to ride public transportation until after they receive a negative test. The city is aiming to test its 14 million residents over 48 hours after 20 people tested positive, including two with the omicron variant of the virus. OLYMPIC CORPORATE PARTNER 'PROUD' OF SPONSORSHIP DESPITE CHINA'S TREATMENT OF UYGHURS Three other cities, Anyang, Xi’an and Yuzhou are locked down as of Tuesday, leaving about 20 million people confined to their homes. The lockdown of Anyang, home to 5.5 million people, was announced late Monday after two cases of the omicron variant were reported. Residents are not allowed to go out and stores have been ordered shut except those selling necessities. ENES KANTER FREEDOM SAYS TEAMMATE OF LEBRON JAMES TOLD HIM TO KEEP CRITICIZING NBA STAR OVER CHINA Another 13 million people have been locked down in Xi’an for nearly three weeks, and 1.1 million more in Yuzhou for more than a week. It wasn't clear how long the lockdown of Anyang would last, as it was announced as a measure to facilitate mass testing of residents, which is standard procedure in China's strategy of identifying and isolating infected people as quickly as possible. BIDEN ADMINISTRATION WILL NOT SEND ANY OFFICIAL REPRESENTATION TO 2022 WINTER OLYMPICS IN BEIJING, PSAKI SAYS China is aiming to achieve a zero-COVID policy as the nation’s capital prepares to host the Olympics next month. Organizers launched a "closed loop" operation in Beijing, where participants can only leave the bubble to quarantine or if they are also leaving the country. CLICK HERE TO GET THE FOX NEWS APP The country is also preparing to celebrate the Lunar New Year on Feb. 1, when people typically travel.

In this photo released by China's Xinhua News Agency, a worker wearing protective gear gives a COVID-19 test to a woman at a testing site in Xi'an in northwestern China's Shaanxi Province. (Tao Ming/Xinhua via AP)

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China has a high vaccination rate of around 90%, though its domestically produced vaccine is seen by experts as weaker than the Pfizer-BioNTech and Moderna vaccines in use in the U.S. and other countries.

But China remains committed to its total lockdown approach, with the government saying it will continue "zero-tolerance" enforcement of lockdowns, mass testing and isolation of positive cases.